Air Brakes #1
Air Brakes Endorsement Test | New Mexico 2025 #1 Page 4 of 4
Train for FREE online with our New Mexico CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NM Class A/Class B driver license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.
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19 . Which of the following is not part of a vehicle’s air brake system?
Components of an air brake system include an air compressor, an air compressor governor, air storage tanks, air tank drains, an alcohol evaporator, a safety valve, a brake pedal, foundation brakes, supply pressure gauges, an application pressure gauge, a low air pressure warning signal, a stop light switch, a front brake limiting valve (on some older vehicles), spring brakes, and parking brake controls.
20 . If the safety relief valve in an air brake system is releasing air:
The safety relief valve in an air brake system releases air if necessary to prevent pressure in the system from becoming too high. If the valve starts releasing air, there is something wrong. Have a mechanic fix the problem.
21 . When parked on a flat surface, you should:
When parking on a level surface, you should use wheel chocks. If the vehicle is not equipped with spring brakes, this is essential to prevent the trailer from moving.
22 . What does an air compressor do in an air brake system?
In an air brake system, the air compressor pumps air into the air storage tanks. The air compressor is controlled by the air compressor governor.
23 . The air storage tanks:
The air storage tanks in an air brake system store compressed air to be used for braking. They hold enough air for the brakes to still be used several times if the compressor stops working.
24 . What can happen if the air pressure gets too low in an air brake system?
Pressing and releasing the brake pedal unnecessarily can let air out of the braking system faster than the compressor can replace it. Air brakes may cease to work effectively if the pressure becomes too low.
25 . If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
If the low air pressure warning signal comes on while you are operating a vehicle with air brakes, you should stop and safely park the vehicle as soon as possible. It is essential that you are able to stop safely while you still have some braking power remaining.
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2025 New Mexico | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in New Mexico, you must already have a Commercial Driver's License (CDL). You need to pass the Hazardous Materials (HazMat) knowledge test, provide proof of U.S. citizenship or lawful permanent residency, and pass a TSA background check. Also, you must pay the required fees for the endorsement.
To obtain a CDL Hazmat license, you must first hold a valid Commercial Driver's License (CDL). Other prerequisites include passing the Hazardous Materials (HazMat) knowledge test, providing proof of U.S. citizenship or lawful permanent residency, passing a TSA background check, and being at least 21 years old. You also need to be physically fit for the job.
When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or lawful permanent residency. This could be a U.S. passport, birth certificate, or permanent resident card. You'll also need your current Commercial Driver's License (CDL). Additionally, you will have to provide your Social Security number and pass a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement in New Mexico. The test covers topics related to the transport of hazardous materials, such as loading and unloading, bulk packaging marking, driving and parking rules, and emergency response procedures. You can prepare for the test by studying the Hazmat section of the NM CDL Manual.
The written test for a CDL Hazmat endorsement covers a range of topics related to hazardous materials. These include recognizing hazardous materials, understanding placarding and marking rules, safely loading and unloading hazardous materials, handling emergencies and spills, and knowing the rules for transporting specific types of hazardous materials.
Yes, acquiring a CDL Hazmat endorsement involves extra charges. These typically include a fee for the written test and a fee for the background check required by the Transportation Security Administration. The exact amount varies by state, so it's recommended to check with your local DMV for specific costs.
Yes, obtaining a CDL Hazmat endorsement requires a federal background check and fingerprinting. This process is conducted by the Transportation Security Administration (TSA) to ensure that the driver doesn't pose a security risk. The applicant must also not have any disqualifying criminal offenses to be eligible for the endorsement.
Yes, to obtain a CDL Hazmat endorsement, you must undergo specialized training and pass a written test. The training covers how to handle hazardous materials, emergency procedures, and the laws governing hazmat transportation. After training, you must pass the Hazmat endorsement test to demonstrate your knowledge of these areas.
No, you cannot legally transport hazardous materials in New Mexico without a valid CDL Hazmat endorsement. Violating this rule can result in severe penalties, including fines and possible disqualification of your commercial driving privileges. It's crucial to obtain the proper endorsement to ensure safety and compliance with federal and state regulations.
Yes, you can add a CDL Hazmat endorsement to your existing CDL license. It doesn't require a new application for a CDL, but you will need to apply specifically for the Hazmat endorsement. This involves passing a written test, undergoing a TSA background check, and paying an endorsement fee.
